Simple Moving Average (SMA)
Original schematic showing the guide's principal visual relationships.
SMA(n) = sum of the last n closing prices ÷ n.
Formula and components
An equal-weight average of closing prices over a selected number of periods.
SMA(n) = sum of the last n closing prices ÷ n.
How it works
The indicator transforms price, range, or volume observations over a selected lookback. Shorter settings react faster but create more noise; longer settings respond more slowly and emphasize the underlying regime. Always compare the reading with price structure and timeframe.
How to read it
Price above a rising SMA supports an upward-trend interpretation; price below a falling SMA supports a downward one. Multiple lengths can show short- and long-term alignment.
Practical example
On a daily chart, a rising 50-day SMA with price holding above it supports an intermediate uptrend. Repeated crosses through a flat SMA indicate a range, where the average is describing noise rather than a usable direction.
Confirmation checklist
Use slope, price position, and agreement across more than one lookback. A trend reading is more reliable when price structure and directional strength point the same way.
Limitations and false signals
Every observation has equal weight, so the SMA reacts slowly to new information and produces repeated crosses in sideways markets.
Limitations and false signals
Frequently asked questions
What does this pattern or indicator describe?
An equal-weight average of closing prices over a selected number of periods.
How should the signal be confirmed?
Price above a rising SMA supports an upward-trend interpretation; price below a falling SMA supports a downward one. Multiple lengths can show short- and long-term alignment. Use slope, price position, and agreement across more than one lookback. A trend reading is more reliable when price structure and directional strength point the same way.
What can cause a false signal?
Every observation has equal weight, so the SMA reacts slowly to new information and produces repeated crosses in sideways markets.